🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.74 AU - 1.2 AU

Year: 337 Days

Day: 16.5 Hours

Environment

Temp: 93 °C

Axial Tilt: 38.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.05 AU - 1.23 AU

Year: 430 Days

Day: 31.8 Hours

Environment

Temp: 23 °C

Axial Tilt: 31.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.32 AU - 1.38 AU

Year: 554 Days

Day: 28.7 Hours

Environment

Temp: 20 °C

Axial Tilt: 27.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.91 AU - 2.29 AU

Year: 1075 Days

Day: 43.7 Hours

Environment

Temp: -51 °C

Axial Tilt: 29.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.19 AU - 3.63 AU

Year: 2223 Days

Day: 37.9 Hours

Environment

Temp: -107 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961

Radius: 14.7

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 8.48 AU - 11.1 AU

Year: 10816 Days

Day: 13 Hours

Environment

Temp: -163 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,744,236 km

• M1: 184,903 km (0.089 R)
• M2: 682,615 km (0.074 R)
• M3: 1,255,575 km (0.1 R)
• M4: 1,797,568 km (0.111 R)
• M5: 2,263,865 km (0.097 R)
• M6: 3,275,296 km (0.116 R)
• M7: 4,152,986 km (0.099 R)
• M8: 4,632,448 km (0.1 R)
• M9: 5,182,669 km (0.091 R)
• M10: 6,034,030 km (0.076 R)
• M11: 6,813,285 km (0.099 R)
• M12: 10,080,054 km (0.114 R)
• M13: 13,549,528 km (0.114 R)
• M14: 16,165,396 km (0.075 R)
• M15: 17,669,902 km (0.04 R)
• M16: 18,696,742 km (0.075 R)
• M17: 19,679,600 km (0.12 R)
• M18: 21,306,028 km (0.111 R)
• M19: 26,416,441 km (0.101 R)
• M20: 27,237,284 km (0.118 R)
• M21: 28,180,948 km (0.08 R)
• M22: 29,801,990 km (0.111 R)
• M23: 30,804,146 km (0.084 R)
• M24: 32,175,061 km (0.086 R)
• M25: 36,154,664 km (0.072 R)
• M26: 37,422,655 km (0.09 R)
• M27: 38,588,920 km (0.113 R)
• M28: 44,354,721 km (0.112 R)
• M29: 46,545,881 km (0.043 R)
• M30: 49,115,375 km (0.038 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.7

Radius: 13.7

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 8.77 AU - 14.47 AU

Year: 13986 Days

Day: 9.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,744,236 km

• M1: 189,840 km (0.101 R)
• M2: 714,629 km (0.09 R)
• M3: 1,482,664 km (0.065 R)
• M4: 2,114,566 km (0.099 R)
• M5: 2,689,770 km (0.098 R)
• M6: 3,749,222 km (0.031 R)
• M7: 4,230,478 km (0.089 R)
• M8: 4,857,293 km (0.088 R)
• M9: 5,690,703 km (0.093 R)
• M10: 6,650,224 km (0.067 R)
• M11: 7,642,806 km (0.081 R)
• M12: 8,653,788 km (0.046 R)
• M13: 9,171,397 km (0.097 R)
• M14: 10,094,565 km (0.047 R)
• M15: 11,979,498 km (0.054 R)
• M16: 13,553,268 km (0.106 R)
• M17: 14,751,098 km (0.111 R)
• M18: 20,604,564 km (0.108 R)
• M19: 24,948,736 km (0.105 R)
• M20: 29,420,815 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 502.4

Radius: 7.4

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 15.81 AU - 19.33 AU

Year: 26005 Days

Day: 23.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,744,236 km

• M1: 140,472 km (0.103 R)
• M2: 500,255 km (0.086 R)
• M3: 1,165,218 km (0.052 R)
• M4: 1,560,455 km (0.106 R)
• M5: 2,296,627 km (0.101 R)
• M6: 2,818,125 km (0.077 R)
• M7: 3,683,698 km (0.099 R)
• M8: 4,715,474 km (0.118 R)
• M9: 5,844,041 km (0.053 R)
• M10: 10,545,453 km (0.119 R)
• M11: 11,639,313 km (0.06 R)
• M12: 13,676,985 km (0.069 R)
• M13: 18,625,533 km (0.105 R)
• M14: 19,835,930 km (0.055 R)
• M15: 23,996,097 km (0.11 R)
• M16: 32,911,980 km (0.116 R)
• M17: 37,660,217 km (0.073 R)
• M18: 38,691,395 km (0.07 R)
• M19: 43,324,890 km (0.1 R)
• M20: 45,442,597 km (0.095 R)
• M21: 46,108,009 km (0.11 R)
• M22: 52,027,447 km (0.098 R)
• M23: 56,497,880 km (0.036 R)
• M24: 62,029,411 km (0.102 R)
• M25: 65,981,637 km (0.103 R)
• M26: 70,541,679 km (0.117 R)
• M27: 74,844,563 km (0.1 R)
• M28: 78,362,656 km (0.103 R)

Kuiper Belt

Range: 31.1 - 57.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 10,568 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit